A-Level
EDEXCEL
Physics
January 2017
1 Marks
QP-201701-Physics-U5 · Question 1
Question (excerpt):
E IN THIS AREA D 1 Police use radar speed guns to determine vehicle speeds. The speed gun sends out radio waves towards the vehicle which reflects them back to the speed gun. If the vehicle is moving …
E IN THIS AREA D 1 Police use radar speed guns to determine vehicle speeds. The speed gun sends out radio waves towards the vehicle which reflects them back to the speed gun. If the vehicle is moving …
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